Driveway Design, Channelized Driveways, Deceleration Lanes and Tapers,
Adopted July 27, 2026
and Bypass Lanes
1. Standards. Driveways shall be designed to the standards of the Tuscola County Road Commission, except where stricter standards are included herein.
2. Driveway Width and Radii a. The typical driveway design shall include one (1) ingress and one (1) egress lane, with a combined maximum throat width of thirty (30) feet, measured from face to face of curb. b. Wherever the Planning Commission determines that traffic volumes or conditions may cause significant delays for traffic exiting left, two (2) exit lanes may be required. c. For one-way paired driveway systems, each driveway shall be sixteen (16) feet wide, measured perpendicularly. d. In areas with pedestrian traffic, the exit and enter lanes may be separated by a median with a maximum width of ten (10) feet. e. Driveways shall be designed with a twenty-five (25) foot radii; thirty-foot radii where daily semitruck traffic is expected.
3. Directional Driveways, Divided Driveways, and Deceleration Tapers and/or By-pass Lanes. Directional driveways, divided driveways, and deceleration tapers and/or by- pass lanes may be required by the Planning Commission where they are necessary to reduce congestion and accident potential for vehicles accessing the proposed use or site. Right-turn tapers shall be a minimum of seventy-five (75) feet in length and at least eleven (11) feet wide. Design of direction and divided driveways shall be in accordance with the designs in Directional Driveway Standards Divided.
